former pentagon official kt mcfarland here with me. gary bernsen is here. and former arkansas governor mike huckabee among our guests. our first guest says no one knows more about benghazi than petraeus, but even if he were to testify, the credibility has now been discredited. joining us, kate mcfarland. this is first of all we have to acknowledge i believe it is very clear, there is so much more here writing every day, more questions, it runs deep. the idea that petraeus would not testify or that the secretary of state clinton would have a conflict, your reaction to those. >> the cover-up continues. nobody who knows more about benghazi before, after or during the attack than david benghazi. and now for whatever reason, he is not testify. he may eventually testify, they may subpoena him. at this point where it's his credibility? if he knew he was being investigated as he went up to capitol hill to spin the tale the white house wanted him to spin about this is about a mov movie, what kind of leverage did they hold over him? the leverage is gone now, he has n